$IDXX

Jay Mazelsky

Idexx Laboratories

President & CEO • Since 2019 • Health Care

Also profiled in: Nasdaq-100

📊 CEO Reputation Score

FY2025 vs FY2024 · Source: SEC EDGAR filings

70/100

Blend of this company's year-over-year free-cash-flow and profit improvement, each ranked as a percentile against every scored company in the three indexes.

Free cash flow: $808M → $1.1B (+30.8% YoY) — fiscal 2025 vs fiscal 2024
Profit (net income): $888M → $1.1B (+19.3% YoY) — fiscal 2025 vs fiscal 2024

How this score works · S&P 500 reputation leaderboard

Overview

Jay Mazelsky is the president & ceo of Idexx Laboratories since 2019. Idexx Laboratories is a Health Care company headquartered in Westbrook, Maine, founded in 1983, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.

Leadership

Jay holds the chief executive role at Idexx Laboratories with the title President & CEO — in post since 2019. This page is the concise leadership record for Idexx Laboratories in the S&P 500 CEO index; the site's fully researched long-form profiles (career timelines, education, achievements, setbacks, philosophy and sourced quotes) currently cover the index's ten largest companies, and this entry will be expanded in the same format.

At a Glance

Sector: Health Care
Ticker: $IDXX
Headquarters: Westbrook, Maine
Founded: 1983
CEO since: 2019
Index: S&P 500 (#244 of 500)